A Time Lord may be running out of time, as Doctor Who comes back this weekend. And meanwhile, see the Venture Bros. like you've never seen them before. And somebody finally had the bright idea of giving Summer Glau superpowers!

But that's not all. There's alternate history, dinosaur regeneration, and Jedi hostage negotiation. And Battlestar Galactica's Aaron Douglas fights an evil mountain. And things are heating up on Torchwood and True Blood. Tons of clips and minor spoilers below.

Today:

There's another helping of Cartoon Network's Monday night animation bloc. At 7 PM, there's a new Johnny Test, in which "Johnny's mom makes him wear a ridiculous winter coat, but finds out it has tricks up its sleeves, saving Porkbelly from some villainous aliens from outerspace." That's followed at 7:30 by a new The Amazing World of Gumball, and here's what happens: "Gumball discovers that Bobert the robot is planning to take over his identity and replace him!" And then at 8 PM there's a new Adventure Time. Here's the dope: "Finn and Jake find themselves paralyzed from the neck down and at the Ice King's mercy!"

And then at 8:30, there's a new Mad on Cartoon Network, including these skits:

When a blue bird gets a hold of a green ring, things go from Rio to Oa. Then, Thomas the Tank Engine is out of control, can Denzel Washington stop him in time? Plus, the "Jedi Negotiator", Alfred E. Neuman, Spy vs. Spy and more!

Check out a clip at left.

Meanwhile, Syfy once again has its Monday night bloc, starting with Eureka at 8 PM. Here's what Syfy told us about the clip, at left:

Holly and Fargo appear to be on the surface of another planet. They try to keep things humorous while getting the job done, but their mission backfires and they become engulfed in smoke. Holly's suit rapidly loses pressure and Fargo tells her she simply needs to recalculate.

There's a new Warehouse 13 at 9 PM on Syfy, and you can watch a clip at left. According to Syfy:

Myka leaves Pete to his own task while she locks in on a target in a busy train station. Pete is searching a hole with gloves but is pricked by unidentified source. Myka moves in as Pete lets her know that a spike has cut through his glove. Myka must leave the target as Pete is emitting a black smoke and starts to gasp for air.

And then at 10 PM, Summer Glau comes to Alphas on Syfy. Check out a sneak peek at left. According to Syfy, Glau "has unstoppable powers and can invent things never seen before." Summer Glau with superpowers? That'll never work.

Tuesday:

Cartoon Network has a new Looney Tunes Show at 8 PM.

Wednesday:

At 10 PM, Spike has the debut of something called Alternative History, and the first episode is, "Nazis Win World War II." (If this actually does take place, I blame Rory. But stay tuned.) Here's the blurb:

What if Hitler and the Nazis won World War II? What if JFK had never been assassinated? What if the South won the Civil War? What would these alternate worlds be like? "Alternative History" looks at "what if" scenarios from some of history's most pivotal turning points and presents a completely different version based on science and fact. The series will use state of the art animation to present these alternative histories in a hyper-stylized manner. Each episode will culminate in an exploration of how the world today would look if these changes had occurred.

Thursday:

At 8 PM, the History Channel is having a two-hour special, Secret Access: Most Credible UFOs.

Based on the newly published book "UFO's: Generals, Pilots and Government Officials Go on the Record," this special explores the small minority of UFO sightings that are supported by credible sources, from Air Force and commercial pilots to Federal Aviation Administration officials, military officers and National Aeronautics and Space Administration personnel — as well as by such hard data as photos, film, radar and audio recordings.

That's followed at 8:30 PM by an all-new Voltron Force, "Clash of the Lions."

Also at 8:30: the second season premiere of Problem Solverz on Cartoon Network.

At 9 PM, there's a new Burn Notice, "Army of One."

There's also a new Naked Science at 9 PM on National Geographic Channel, "Space Vacation."

And there's another new Futurama at 10 PM on Comedy Central, "Cold Warriors." In which Fry accidentally reintroduces the common cold to the 31st century. Yes, it's the first two episodes of Doctor Who's "The Ark," all over again.

Also at 10 PM: another new Wilfred on FX, "Doubt."

Ryan begins to suspect that his friendship with Wilfred might not be in his best interests.

There's also a new Ancient Aliens on the History Channel at 10 PM, "Aliens and Mysterious Rituals."

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And finally at 10 PM, National Geographic has another special, called Earth Overhaul.

And then at 10:30 PM, Comedy Central has a new episode of Ugly Americans, "Lilly and the Beast."

Callie reveals to Mark that she's been sleeping with other guys. So when Mark's college girlfriend (Jenny Slate) shows up, he decides to put his newly "open relationship" with Callie to the test.

Friday:

In the cutthroat world of the ultimate apex predators, dinosaurs suffered colossal injuries and limped through a world rife with deadly infection and diseases. How did these amazing beasts manage to thrive despite their violent surroundings? Investigating a debilitating injury on the largest T. rex ever found, where muscle and tendon were ripped from a bone, Phil creates 3-D models of the healed T. rex's arm. Remarkably, he finds that the wrecked arm bone rebuilt itself.

Also at 8 PM: A new Wizards of Waverly Place on Disney, "Justin's Back In."

Alex attempts to help Justin prepare his students for the big "Wizard's Knowledge Test," yet they all fall short of expectation when she pushes them to take the exam early, barring Justin from the family Wizard competition. Meanwhile, Theresa and Jerry enlist the help of Harper to create a childhood memory scrapbook for Max.

Meanwhile, BBC America is showing a marathon of the first half of Doctor Who season six, along with every corresponding episode of Doctor Who Confidential, to help you prepare for the return of the classic British time-travel action-soap-comedy. That all starts at 8 PM.

Then at 8:30 PM, there's an all-new episode of Disney's A.N.T. Farm.

Also at 8:30 PM: a new ThunderCats on Cartoon Network, "Journey to the Tower of Omens."

The Cats look for the Book of Omens and navigate a dangerous labyrinth.

Also at 9 PM, a new Phineas and Ferb on the Disney Channel, "Skiddley Whiffers."

And then at 10 PM, there's a brand new installment of Torchwood: Miracle Day on Starz, "End of the Road."

While the society is on the verge of falling apart, Rex is forced to take drastic measures. Meanwhile, someone thought to be dead comes back to confront Jack.

Also at 10 PM, Syfy has a new Haven, "The Tides That Bind."

While investigating a drowning, Nathan and Audrey check out a community where children are disappearing one by one.

The third option at 10 PM: another new Naked Science on National Geographic.

Saturday:

BBC America is having more of its Doctor Who marathon, including some special documentaries, all day.

And then at 9 PM, Doctor Who returns to BBC America with "Let's Kill Hitler."

The TARDIS crash lands in 1930's Berlin, bringing the Doctor face to face with the greatest war criminal in the Universe. And Hitler.

And that's followed by a brand new special, Doctor Who: Best of the Companions.

But what if you're just not interested in time travel and Hitler and stuff? Well then, you're in luck. Syfy, which didn't bother to air an original movie last week, is now going head-to-head with Doctor Who with its latest TV movie, Killer Mountain. What's it about? Glad you asked.

A team of climbers (Aaron Douglas, Paul Campbell) is sent to a forbidden mountain to rescue a missing expedition. There, they discover that the mountain is the secret location of Shangri La — protected by a bloodthirsty alien creature, the Druk.

Sunday:

There's another new True Blood on HBO at 9 PM, "Burning Down the House."

Bill needs Sookie to use her powers which results in breaking a spell. Jessica is implored to glamour Jason. Terry tries to help Andy with an intervention. Alcide reassesses his loyalties. Bill organizes the vampires to attack Marnie's Moon Goddess Emporium while Jesus, Lafayette, Sookie and Jason attempt to free Tara and Holly.

Also at 9 PM: the season finale of Leverage on TNT, with "The Queen's Gambit Job."

And at 10 PM, there's a new Breaking Bad on AMC, "Problem Dog."

And finally, at midnight, there's a new Venture Bros. special, "From the Ladle to the Grave: The Story of Shallow Gravy." Here's what Cartoon Network wants to tell you:

See the Venture Family as you've never seen them before: in a 15-minute documentary-style animated special. Follow the meteoric rise, the equally meteoric fall, and the decidedly un-meteor-like second coming of the most important band Hank Venture, Dermott Fictel and H.E.L.P.eR. robot have ever been in: Shallow Gravy. If you're hungry for rock, then open wide, because here comes a ladle of heavy metal fire and metaphoric meat drippings.

A marathon of Hank and Dermott episodes will air from 9:30pm – midnight (ET, PT) on August 28th followed by this new 15-minute behind-the-music mockumentary at midnight (ET, PT) on Adult Swim.